Fix for #Issue74
Keep basic error reporting
Clarify fromAngle() input (in radians)
Merge pull request #2481 from AmnonOwed/ClarifyPVector.fromAngle()

Clarify fromAngle() input (in radians)
testing non-blocking seek
Merge branch 'master' of https://github.com/processing/processing.git
added limit=2 parameter to split() so Windows paths are properly parsed.
Adding missing library import (PDF)
fixes for sketchPath() when embedding
add canDraw() method for embedding
Merge pull request #2487 from AmnonOwed/FixMissingImports

Adding missing library import (PDF)
Fix conflicting variable name (frame) in Sequential example
Add related entry (frameCount) to saveFrame() reference
Merge pull request #2489 from AmnonOwed/FixProcessing-web#313

Fix conflicting variable name (frame) in Sequential example
Merge pull request #2490 from AmnonOwed/FixProcessing-web#357

Add related entry (frameCount) to saveFrame() reference
Conform PVector.set() reference to standard practice
Merge pull request #2491 from AmnonOwed/FixProcessing-web#410

Conform PVector.set() reference to standard practice
Add methods for reading and manipulating horizontal scollbars in text editor.

Deprecate old methods to prefer methods with Vertical/Horizontal in their names.
Merge pull request #2492 from jdf/master

Add methods for reading and manipulating horizontal scollbars in text editor.
minor edits